As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING REMOVAL AND REPLACEMENT OF STRINGER, FOUND STR 20R FACTORY SPLICE TO BE CORRODED BETWEEN FS 469 AND FS 485. C-CHECK RO 1/17/2021. REMOVED AND INSTALLED NEW STGR 20R BET FS 469.00 AND FS 485.00, REF CRJ-700 SRM 51-42-06-001-001-A01, CRJ-700 SRM 51-42-21-001-001-A01 AND BOMBARDIER DWG NR SH670-30006 REV A. COMPLIED WITH SKYWEST TASKCARD 51-900-1002-SKY. LEAK CHECK GOOD.